/*
 *
 *  * Copyright 2015-2101 Shouqi Limousine & chauffeur Group.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *      http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

package com.sq.plugin.redis.serializer.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.*;

/**
 * @author wangliang
 * @date 2018/5/15
 */
public class ByteUtils {

    private static Logger logger = LoggerFactory.getLogger(ByteUtils.class);

    /**
     * object对象转换成byte数组
     *
     * @param obj
     * @return
     */
    public static byte[] objectToByte(Object obj) {
        byte[] bs = null;
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeObject(obj);
            bs = bos.toByteArray();
            oos.close();
            bos.close();
            return bs;
        } catch (IOException e) {
            logger.error("ERROR!\n{}", e);
        }
        return bs;
    }

    /**
     * byte数组转换成object对象
     *
     * @param bs
     * @return
     */
    public static Object byteToObject(byte[] bs) {
        Object obj = null;
        try {
            if (bs != null) {
                ByteArrayInputStream bis = new ByteArrayInputStream(bs);
                ObjectInputStream inputStream = new ObjectInputStream(bis);
                obj = inputStream.readObject();
            }
        } catch (IOException | ClassNotFoundException e) {
            logger.error("ERROR!\n{}", e);
        }
        return obj;
    }

}
